CoComelon Lane — Episode 2: JJ Gets a Checkup / Cody's First Train Ride / Bella's Butterfly Goodbye

You are watching the episode JJ Gets a Checkup / Cody's First Train Ride / Bella's Butterfly Goodbye JJ's going to the doctor but isn't sure what to expect. Cody learns that trains are big — and loud! Bella's pet caterpillar turns into a butterfly.